<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>页面找不到了，请返回</title>
<style type="text/css">
body{margin: 0 auto; background: url(image/404.gif); width: 100%; background-size: cover; height: 100%; overflow: hidden;}
button{width:100px;height:50px;line-height:50px;background:none;border:1px solid black;border-radius: 12px; -webkit-transition: all 0.5s;position: fixed;top: 72%; left:46%; cursor: pointer; }
button:hover{background: #c5c5c5; font-size: 16px;}
img{}
</style>
<script type="text/javascript">
	function btn(){
		location.href="/index.html";
	}
</script>
</head>
<body>
<button onclick="btn()">返回首页</button>
</body>
</html>